+

WO1997018248A1 - Procede de production de copolymeres a partir de composes vinylaromatiques et olefiniques par polymerisation en dispersion en presence de systemes catalyseurs metallocenes - Google Patents

Procede de production de copolymeres a partir de composes vinylaromatiques et olefiniques par polymerisation en dispersion en presence de systemes catalyseurs metallocenes Download PDF

Info

Publication number
WO1997018248A1
WO1997018248A1 PCT/EP1996/004708 EP9604708W WO9718248A1 WO 1997018248 A1 WO1997018248 A1 WO 1997018248A1 EP 9604708 W EP9604708 W EP 9604708W WO 9718248 A1 WO9718248 A1 WO 9718248A1
Authority
WO
WIPO (PCT)
Prior art keywords
alkyl
group
cio
aryl
compounds
Prior art date
Application number
PCT/EP1996/004708
Other languages
German (de)
English (en)
Inventor
Michael GEPRÄGS
Josef WÜNSCH
Joachim Rösch
Original Assignee
Basf Aktiengesellschaft
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Basf Aktiengesellschaft filed Critical Basf Aktiengesellschaft
Priority to DE59602661T priority Critical patent/DE59602661D1/de
Priority to US09/068,307 priority patent/US6221983B1/en
Priority to JP9518537A priority patent/JP2000500179A/ja
Priority to EP96937290A priority patent/EP0861273B1/fr
Publication of WO1997018248A1 publication Critical patent/WO1997018248A1/fr

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F212/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring
    • C08F212/02—Monomers containing only one unsaturated aliphatic radical
    • C08F212/04—Monomers containing only one unsaturated aliphatic radical containing one ring
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F210/00—Copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • C08F210/02—Ethene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F4/00—Polymerisation catalysts
    • C08F4/42—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
    • C08F4/44—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides
    • C08F4/60—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides together with refractory metals, iron group metals, platinum group metals, manganese, rhenium technetium or compounds thereof
    • C08F4/619—Component covered by group C08F4/60 containing a transition metal-carbon bond
    • C08F4/61912—Component covered by group C08F4/60 containing a transition metal-carbon bond in combination with an organoaluminium compound
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F4/00—Polymerisation catalysts
    • C08F4/42—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
    • C08F4/44—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides
    • C08F4/60—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides together with refractory metals, iron group metals, platinum group metals, manganese, rhenium technetium or compounds thereof
    • C08F4/619—Component covered by group C08F4/60 containing a transition metal-carbon bond
    • C08F4/6192—Component covered by group C08F4/60 containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring

Definitions

  • the present invention relates to the use of the copolymers obtainable here for the production of fibers, films and moldings and the fibers, films and moldings obtainable therefrom.
  • EP-A 416 815 discloses a process for the preparation of copolymers from vinylaromatic and olefinic compounds, polymerization being carried out in solution.
  • the disadvantage here is that the resulting copolymer can only be isolated by complicated removal of the solvent.
  • the increasing toughness of the polymer solution often causes problems.
  • the present invention was therefore based on the object of making available new processes for the preparation of copolymers from vinylaromatic and olefinic compounds which do not have the disadvantages mentioned and which, in particular, are simple to carry out in terms of process technology and enable the resulting copolymer to be easily separated off and copolymers with a low residual monomer content are formed.
  • Suitable vinyl aromatic compounds in the process according to the invention are, for example, those of the general formula IV
  • R 16 is hydrogen or C 1 -C 4 -alkyl
  • R 17 to R 21 independently of one another hydrogen, C ⁇ - to -C 2 alkyl, C ⁇ - to Ci ⁇ -aryl, halogen or where two adjacent radicals together stand for 4 to 15 carbon atoms-containing cyclic groups.
  • R 16 means hydrogen
  • R 17 to R 21 represent hydrogen, Ci to C 4 alkyl, chlorine or phenyl or two adjacent radicals together for
  • Cyclic groups having 4 to 12 carbon atoms are available, so that naphthalene derivatives or anthracene derivatives, for example, result as compounds of the general formula IV.
  • Styrene p-methylstyrene, p-chlorostyrene, 2, 4-dimethylstyrene, 1, 4-divinylbenzene, 4-vinylbiphenyl, 2-vinylnaphthalene or 9-vinylanthracene.
  • vinyl aromatic compounds can also be used, but preferably only one vinyl aromatic compound is used.
  • Particularly preferred vinyl aromatic compounds are styrene and p-methylstyrene.
  • the olefinic compounds which can be used in the process according to the invention are, for example, ethylene or C 3 - to CiQ-alkenes, in particular C 3 - to C ⁇ o-alk-1-enes.
  • Ethylene, propylene, but-1-ene, isobutene, 4-methyl-pen-1-ene, hex-1-ene, oct-1-ene and mixtures thereof are preferred.
  • Ethylene is particularly preferred.
  • Preferred metallocene catalyst systems are those which are active ingredients
  • Arylalkyl, fluoroalkyl or fluoroaryl each having 1 to 10 carbon atoms in the alkyl radical and 6 to 20 carbon atoms in the aryl radical,
  • R 1 to R 5 are hydrogen, Ci- to Cio-alkyl, 5- to
  • cycloalkyl which in turn can carry a Ci to Cio alkyl as a substituent, Ce to Cis-aryl or arylalkyl, where optionally two adjacent radicals together can represent cyclic groups having 4 to 15 carbon atoms or Si (R 8 ) 3 with
  • R 8 C 2 - bis Cio-alkyl, C 3 - to C ⁇ 0 -cycloalkyl or C 6 - to cis-aryl,
  • Z stands for X.
  • M 1 is silicon, germanium or tin, A - O -, - S -, or PR 13 mean With
  • R 14 is hydrogen, Ci to Cio-alkyl, Cg to Cis-aryl, which in turn can be substituted with Ci- to C 4 -alkyl groups or C 3 - to Cio-cycloalkyl
  • Particularly preferred metallocene complexes of the general formula I are those in which
  • R 6 Ci to C 6 ⁇ alkyl, in particular methyl, ethyl, propyl or n-butyl,
  • R 1 to R 5 represent hydrogen, Ci- to C ⁇ -alkyl, in particular methyl, ethyl, propyl, n-butyl or tert-butyl, phenyl or two adjacent radicals together represent cyclic groups containing 4 to 15 carbon atoms,
  • Z stands for X.
  • radicals R 5 and Z together form a group -R 9 -A- in which RI O RI O RI O RI O
  • R 10 and R n are hydrogen or Ci to C 6 alkyl and
  • A stands for NRi 3 , with
  • R n C ⁇ ⁇ to Cg-alkyl especially methyl, ethyl, propyl, n-butyl or tert. -Butyl, phenyl or - ⁇ —CH 2 -4— ⁇ 0-Ri 4
  • R 14 denotes Ci to C 4 alkyl, in particular methyl
  • the catalyst systems may contain open-chain or cyclic alumoxane compounds as compound B) forming metallocenium ions.
  • Open-chain or cyclic alumoxane compounds of the general formula II or III are suitable, for example
  • R 15 represents a C 1 to C 4 alkyl group
  • Methyl or ethyl group and m represents an integer from 5 to 30, preferably 10 to 25.
  • oligomeric alumoxane compounds are usually prepared by reacting a solution of trialkylaluminum with water and include in EP-A 284 708 and US-A 4,794,096.
  • the oligomeric alumoxane compounds obtained are mixtures of different lengths, both linear and cyclic chain molecules, so that m is the mean can be seen.
  • the alumoxane compounds can also be present in a mixture with other metal alkyls, preferably with aluminum alkyls.
  • metallocene complexes and the oligomeric alumoxane compound in amounts such that the atomic ratio between aluminum from the oligomeric alumoxane compound and the transition metal from the metallocene complexes is in the range from 10: 1 to 10 6 : 1, in particular is in the range from 10: 1 to 10 4 : 1.
  • Aromatic hydrocarbons are usually used as solvents for these catalyst systems, preferably with 6 to 20 carbon atoms, in particular xylenes and toluene and mixtures thereof.
  • Coordination complex compounds selected from the group of strong, neutral Lewis acids, the ionic compounds with Lewis acid cations and the ionic compounds with Bronsted acids can also be used as cations as the metallocenium ion-forming compound B).
  • M 2 is an element of III.
  • Main group of the periodic table means, in particular B, Al or Ga, preferably B,
  • Ci- to Cio-alkyl c $ - to Cis-aryl, alkylaryl, arylalkyl, haloalkyl or haloaryl, each with 1 to 10 carbon atoms in the alkyl radical and 6 to
  • Compounds of the general formula VI are ionic compounds with Lewis acid cations
  • Y is an element of I. to VI. Main group or the I. to VIII. Subgroup of the periodic table means
  • Ci- to Cio-cycloalkyl which may optionally be substituted with C 1 -C 10 -alkyl groups, halogen, C 1 -C 28 -alkoxy, C 1 -C 10 -aryloxy, silyl or mercaptyl groups
  • d corresponds to the difference a - z, but d is greater than or equal to 1.
  • Carbonium cations, oxonium cations and sulfonium cations as well as cationic transition metal complexes are particularly suitable.
  • the triphenylmethyl cation, the silver cation and the 1, 1 '-dimethylferrocenyl cation should be mentioned in particular.
  • non-coordinating counterions in particular boron compounds, as they are also mentioned in WO 91/09882, preferably tetrakis (pentafluorophenyl) borate.
  • Ionic compounds with Bronsted acids as cations and preferably likewise non-coordinating counterions are mentioned in WO 93/3067, the preferred cation is N, N-dimethylanilinium.
  • the molar ratio of boron from the compound forming the metallocenium ion to transition metal from the metallocene complex is in the range from 0.1: 1 to 10: 1, in particular in the range from 1: 1 to 5: 1.
  • the process according to the invention is carried out as dispersion polymerization.
  • Suitable dispersion aids are, for example, styrene-diene two-block copolymers of styrene-diene-styrene three-block copolymers and aliphatic hydrocarbons are preferred as the dispersion medium.
  • the dispersing aid is preferably used in an amount of 1 to 10% by weight, based on the amount of vinylaromatic compounds used. It is expediently added to the dispersion to be polymerized, dissolved in the vinylaromatic monomer.
  • Suitable two-block copolymers can consist of a polymer block of styrene and a polymer block of butadiene, preferably 1,4-polybutadiene.
  • the sum of the% by weight of the blocks of styrene and of butadiene is 100, and the composition can vary.
  • the styrene block can make up 10 to 90% by weight, preferably 20 to 80% by weight, corresponding to the butadiene block 90 to 10% by weight, preferably 80 to 20% by weight.
  • Styrene-butadiene two-block copolymers, which can be hydrogenated, are also suitable.
  • styrene-diene-styrene triblock copolymers for example, those in which the diene block consists of polybutadiene or polyisoprene and in which the diene block can be hydrogenated or unhydrogenated are suitable.
  • aliphatic hydrocarbons that can be used as the dispersing medium, those with 4 to 10 carbon atoms are particularly suitable, for example butane, pentane, hexane and heptane or hydrocarbon mixtures.
  • the process according to the invention is preferably carried out by dissolving the dispersing aid in the vinylaromatic compound, adding the dispersing aid, preferably in an amount of 1 to 10% by weight, based on the vinylaromatic compound, and then passing the olefinic compound through and adds the metallocene catalyst system.
  • the polymerization conditions are not critical, preferably at temperatures in the range from 50 to 100 ° C., at a pressure from 1 to 5 bar and polymerized for 0.5 to 10 hours.
  • the Polymerization can be terminated by adding protic compounds, for example methanol, and the dispersing medium can be removed by increasing the temperature.
  • the amount of vinylaromatic compounds used is preferably in the range from 50 to 1000 ml, the amount of olefinic compounds in the range from 0.1 to 10 1 / mm.
  • the resulting copolymers preferably have a vinyl aromatic compound content of 10 to 90% by weight, in particular 50 to 75% by weight.
  • the process according to the invention can be carried out simply in terms of process technology, the copolymers formed can be easily separated off, preferably by evaporation of the dispersant, which can thus be carried out by condensation in a cyclic process, and the resulting copolymers are obtained in particle form and have a low residual monomer content.
  • the resulting copolymers are suitable for the production of fibers, films and moldings.
  • Example 2 The procedure was as in Example 1, but 10.0 g of the styrene-butadiene two-block copolymer and 15 ⁇ mol II were used. The polymerization time was 4 hours.
  • the following table provides information about the properties of the copolymers formed.
  • the ⁇ tyrol content in the copolymer was determined by means of 13 C-NMR, the weight average values M w and number average values M n by means of gel permeation chromatography, the residual monomer content of styrene by means of gas chromatography.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Polymerisation Methods In General (AREA)
  • Artificial Filaments (AREA)

Abstract

L'invention concerne des copolymères obtenus à partir de composés vinylaromatiques et oléfiniques. On procède à la polymérisation en dispersion en présence de systèmes catalyseurs métallocènes.
PCT/EP1996/004708 1995-11-14 1996-10-30 Procede de production de copolymeres a partir de composes vinylaromatiques et olefiniques par polymerisation en dispersion en presence de systemes catalyseurs metallocenes WO1997018248A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DE59602661T DE59602661D1 (de) 1995-11-14 1996-10-30 Verfahren zur herstellung von copolymerisaten aus vinylaromatischen und olefinischen verbindungen durch dispersionspolymerisation in gegenwart von metallocenkatalysatorsystemen
US09/068,307 US6221983B1 (en) 1995-11-14 1996-10-30 Dispersion polymerization in the presence of metallocene catalyst
JP9518537A JP2000500179A (ja) 1995-11-14 1996-10-30 メタロセン触媒システムの存在下に分散重合によってビニル芳香族化合物およびオレフィン化合物の共重合体の製造
EP96937290A EP0861273B1 (fr) 1995-11-14 1996-10-30 Procede de production de copolymeres a partir de composes vinylaromatiques et olefiniques par polymerisation en dispersion en presence de systemes catalyseurs metallocenes

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19542356A DE19542356A1 (de) 1995-11-14 1995-11-14 Verfahren zur Herstellung von Copolymerisaten aus vinylaromatischen und olefinischen Verbindungen durch Dispersionspolymerisation in Gegenwart von Metallocenkatalysatorsystemen
DE19542356.9 1995-11-14

Publications (1)

Publication Number Publication Date
WO1997018248A1 true WO1997018248A1 (fr) 1997-05-22

Family

ID=7777391

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP1996/004708 WO1997018248A1 (fr) 1995-11-14 1996-10-30 Procede de production de copolymeres a partir de composes vinylaromatiques et olefiniques par polymerisation en dispersion en presence de systemes catalyseurs metallocenes

Country Status (7)

Country Link
US (1) US6221983B1 (fr)
EP (1) EP0861273B1 (fr)
JP (1) JP2000500179A (fr)
CN (1) CN1202178A (fr)
DE (2) DE19542356A1 (fr)
ES (1) ES2135258T3 (fr)
WO (1) WO1997018248A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999046435A1 (fr) * 1998-03-11 1999-09-16 The Dow Chemical Company Fibres fabriquees a partir de copolymeres aromatiques d'alpha-olefine/de vinyle ou de vinylidene et/ou de copolymeres encombres cycloaliphatiques ou aliphatiques de vinyle ou de vinylidene
WO1999046327A1 (fr) * 1998-03-11 1999-09-16 The Dow Chemical Company Structures et articles manufactures a memoire de forme fabriques a partir de copolymeres aromatiques d'alpha-olefine/de vinyle ou de vinylidene et/ou de copolymeres encombres aliphatiques de vinyle ou de vinylidene

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19621969A1 (de) * 1996-05-31 1997-12-04 Basf Ag Verfahren zur Herstellung von kristallinen Polymerisaten durch Dispersionspolymerisation in Gegenwart von Metallocenkatalysatorsystemen
DE19825713A1 (de) * 1998-06-09 1999-12-16 Basf Ag Verfahren zur Herstellung von Polymerisaten aus vinylaromatischen Verbindungen durch Dispersionspolymerisation unter Zusatz von Schmiermitteln
US9127096B2 (en) * 2010-10-18 2015-09-08 California Institute Of Technology Methods and systems for synthesis of an ultra high molecular weight polymer

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2137676A1 (fr) * 1971-05-12 1972-12-29 Mobil Oil Corp
EP0361309A2 (fr) * 1988-09-27 1990-04-04 The Dow Chemical Company Procédé pour la polymérisation par un catalysateur de coordination de monomères vinylaromatiques

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3734978A (en) 1971-05-12 1973-05-22 Mobil Oil Corp Blocking polystyrene produced by anionic slurry polymerization
US3770712A (en) 1971-05-12 1973-11-06 Mobil Oil Corp Slurry process for producing styrene homopolymers and block polymers thereof using anionic catalysts
US4098980A (en) * 1976-06-24 1978-07-04 The Goodyear Tire & Rubber Company Non-aqueous dispersion polymerization of conjugated diolefins
US4357449A (en) * 1981-11-16 1982-11-02 The B. F. Goodrich Company Dispersion polymerization of cycloolefins
US4474924A (en) * 1983-01-27 1984-10-02 Exxon Research & Engineering Co. Stabilized slurries of isoolefin polymers
ES2082745T3 (es) 1987-04-03 1996-04-01 Fina Technology Sistemas cataliticos metalocenos para la polimerizacion de las olefinas presentando un puente de hidrocarburo de silicio.
US4794096A (en) 1987-04-03 1988-12-27 Fina Technology, Inc. Hafnium metallocene catalyst for the polymerization of olefins
EP0417313B1 (fr) * 1989-03-20 1995-11-29 Idemitsu Kosan Company Limited Nouveau copolymere styrenique et sa production
WO1990012039A1 (fr) * 1989-03-31 1990-10-18 Idemitsu Kosan Co., Ltd. Copolymere styrenique et sa fabrication
NZ235032A (en) * 1989-08-31 1993-04-28 Dow Chemical Co Constrained geometry complexes of titanium, zirconium or hafnium comprising a substituted cyclopentadiene ligand; use as olefin polymerisation catalyst component
TW408155B (en) * 1989-08-31 2000-10-11 Dow Chemical Co Blends of <alpha>-olefin/vinylidene aromatic monomer or hindered aliphatic vinylidene monomer interpolymers with polymers of vinylidene aromatic monomers
US5886117A (en) 1991-08-05 1999-03-23 The Dow Chemical Company Process using borane derived catalysts for preparation of syndiotactic vinyl aromatic polymers
DE69313354T3 (de) * 1992-06-04 2001-01-18 Mitsui Chemicals, Inc. Verfahren zur Herstellung von einem Ethylencopolymeren
JP3189175B2 (ja) * 1993-07-02 2001-07-16 出光興産株式会社 芳香族ビニル化合物共重合体の製造方法
JP3216748B2 (ja) * 1993-07-23 2001-10-09 出光興産株式会社 芳香族ビニル化合物重合体組成物の製造触媒及びそれを用いた芳香族ビニル化合物重合体組成物の製造方法
US5543484A (en) * 1994-11-18 1996-08-06 The Penn State Research Foundation α-olefin/para-alkylstyrene copolymers

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2137676A1 (fr) * 1971-05-12 1972-12-29 Mobil Oil Corp
EP0361309A2 (fr) * 1988-09-27 1990-04-04 The Dow Chemical Company Procédé pour la polymérisation par un catalysateur de coordination de monomères vinylaromatiques

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999046435A1 (fr) * 1998-03-11 1999-09-16 The Dow Chemical Company Fibres fabriquees a partir de copolymeres aromatiques d'alpha-olefine/de vinyle ou de vinylidene et/ou de copolymeres encombres cycloaliphatiques ou aliphatiques de vinyle ou de vinylidene
WO1999046327A1 (fr) * 1998-03-11 1999-09-16 The Dow Chemical Company Structures et articles manufactures a memoire de forme fabriques a partir de copolymeres aromatiques d'alpha-olefine/de vinyle ou de vinylidene et/ou de copolymeres encombres aliphatiques de vinyle ou de vinylidene
US6156842A (en) * 1998-03-11 2000-12-05 The Dow Chemical Company Structures and fabricated articles having shape memory made from α-olefin/vinyl or vinylidene aromatic and/or hindered aliphatic vinyl or vinylidene interpolymers
US6190768B1 (en) 1998-03-11 2001-02-20 The Dow Chemical Company Fibers made from α-olefin/vinyl or vinylidene aromatic and/or hindered cycloaliphatic or aliphatic vinyl or vinylidene interpolymers

Also Published As

Publication number Publication date
US6221983B1 (en) 2001-04-24
CN1202178A (zh) 1998-12-16
ES2135258T3 (es) 1999-10-16
EP0861273A1 (fr) 1998-09-02
DE19542356A1 (de) 1997-05-15
JP2000500179A (ja) 2000-01-11
EP0861273B1 (fr) 1999-08-04
DE59602661D1 (de) 1999-09-09

Similar Documents

Publication Publication Date Title
DE69031255T2 (de) Additionspolymerisationskatalysatoren mit eingeschränkter Geometrie, Verfahren zur Herstellung davon, Vorläufer dafür, Verfahren zur Verwendung und daraus hergestellte Polymere
DE69027729T2 (de) Verfahren zur Herstellung eines syndiotaktischen vinylaromatischen Polymers
DE19615953A1 (de) Verfahren zur Herstellung von Polymerisaten von Alk-1-enen in Gegenwart eines geträgerten Metallocenkatalysatorsystems und eines Antistatikums
EP0868440B1 (fr) Procede de fabrication de copolymeres d&#39;ethylene sous haute pression
DE19606167A1 (de) Geträgerte Katalysatorsysteme
DE69012183T2 (de) Verfahren zur Herstellung eines Polymers auf der Basis von Styrol.
DE3880568T2 (de) Verfahren zur Herstellung von auf Styren basierten Polymeren.
DE19622272A1 (de) Copolymere von Alk-1-enen und a,beta-Dienen mit erhöhtem Viskositätsindex
DE69421813T2 (de) Katalysator zur herstellung von styrol-polymeren und verfahren zur herstellung von styrol-polymeren unter dessen verwendung
WO1997018248A1 (fr) Procede de production de copolymeres a partir de composes vinylaromatiques et olefiniques par polymerisation en dispersion en presence de systemes catalyseurs metallocenes
EP0882077A1 (fr) Procede de production de polymeres d&#39;alcenes par polymerisation en phase gazeuse
WO1997027227A1 (fr) Procede de preparation de polymeres d&#39;alcenes c2-c10 en presence de complexes metallocenes avec des ligands cyclopentadienyles fonctionnalises catiomiquement
EP0810232B1 (fr) Procédé pour la préparation de polyméres cristallins pour polymérisation en dispersion utilisant des systèmes catalytiques à base de métallocènes
WO1996020226A1 (fr) Procede de fabrication de polymeres de composes vinylaromatiques, avec utilisation de melanges de systemes catalyseurs metallocenes
EP0811023B1 (fr) Procede de production de polymeres de composes vinylaromatiques au moyen de systemes catalyseurs contenant des polymeres
WO2004078765A2 (fr) Catalyseurs pour la polymerisation du styrene
EP0951490A1 (fr) Procede de preparation de polymerisats a base de composes vinylaromatiques par polymerisation en dispersion
EP0931100B1 (fr) Systeme catalyseurs contenant des complexes metalliques d&#39;une structure similaire a l&#39;adamantane
DE19714548A1 (de) Thermoplastische Formmassen
WO1998057995A2 (fr) Systemes catalyseurs constitues de cyclopenta [i] phenanthrene et d&#39;un complexe metallique
DE4446385A1 (de) Verfahren zur Herstellung von Polymerisaten von vinylaromatischen Verbindungen unter Verwendung von Mischungen von Metallocenkatalysatorsystemen
EP0815148A1 (fr) Procede de preparation de polymerisats de composes vinyliques aromatiques sous pression en presence d&#39;hydrocarbures tres volatils
DE19500811A1 (de) Verfahren zur Herstellung von Polymerisaten von vinylaromatischen Verbindungen unter Verwendung von Mischungen von Metallocenkatalysatorsystemen
DE19506556A1 (de) Verfahren zur Herstellung von Polymerisaten von vinylaromatischen Verbindungen unter Verwendung von Polymere enthaltenden Katalysatorsystemen
DE19509783A1 (de) Verfahren zur Herstellung von Polymerisaten von vinylaromatischen Verbindungen unter Druck in Gegenwart von leicht flüchtigen Kohlenwasserstoffen

Legal Events

Date Code Title Description
WWE Wipo information: entry into national phase

Ref document number: 96198285.3

Country of ref document: CN

AK Designated states

Kind code of ref document: A1

Designated state(s): CN JP MK MX US

AL Designated countries for regional patents

Kind code of ref document: A1

Designated state(s): AT BE CH DE DK ES FI FR GB GR IE IT LU MC NL PT SE

DFPE Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed before 20040101)
121 Ep: the epo has been informed by wipo that ep was designated in this application
WWE Wipo information: entry into national phase

Ref document number: 1996937290

Country of ref document: EP

WWE Wipo information: entry into national phase

Ref document number: 09068307

Country of ref document: US

ENP Entry into the national phase

Ref document number: 1997 518537

Country of ref document: JP

Kind code of ref document: A

WWP Wipo information: published in national office

Ref document number: 1996937290

Country of ref document: EP

WWG Wipo information: grant in national office

Ref document number: 1996937290

Country of ref document: EP

点击 这是indexloc提供的php浏览器服务，不要输入任何密码和下载